#include <iostream>
using namespace std;

class Mammal
{
public:
	void FeedBabyMilk()
	{
		cout << "Mummal: Baby days glug!" << endl;
	}
};

class Reptile
{
public:
	void SpitVenom()
	{
		cout << "Reptile: Shoo enemy! Spits venom!" << endl;
	}
};

class Bird
{
public:
	void LayEggs()
	{
		cout << "Bird: Laid my eggs, am lighter now!" << endl;
	}
};

class Platypus : public Mammal, public Reptile, public Bird
{
public:
	void Swim()
	{
		cout << "Platypus: Voila, I can swim!" << endl;
	}
};

int main()
{
	Platypus realFreak;
	realFreak.LayEggs();
	realFreak.FeedBabyMilk();
	realFreak.SpitVenom();
	realFreak.Swim();
	
	return 0;
}